Where in the world are you? Some governments forbid Apple from installing FaceTime and forbids people from using it in their countries. If you bought a used device that was sold in one of those countries, it might be hard-coded firmware restrictions preventing installation and use of FaceTime on the device.

Where in the world are you? Some governments forbid Apple from installing FaceTime and forbids people from using it in their countries. If you bought a used device that was sold in one of those countries, it might be hard-coded firmware restrictions preventing installation and use of FaceTime on the device.